Steganography
Hide text inside an image using LSB encoding. Optional AES-256-GCM encryption with PBKDF2-SHA256 (600,000 iterations) password protection.
Runs in your browserFree & unlimited
Mode
All processing happens in your browser. Your image, message and password are never sent to any server.
About this tool
- 1
Upload an image
Select a PNG image to hide a message in.
- 2
Enter secret message
Type the text you want to hide.
- 3
Embed
The message is hidden in the image pixels - visually undetectable.
- 4
Download
Save the image. Use the decode mode to extract the message later.
- The modified image looks identical to the original - the changes are invisible.
- PNG format preserves the hidden data perfectly. JPG compression destroys it.
- Larger images can hold more hidden data.
- This is security through obscurity - combine with encryption for real security.
- Embed & extract
- Invisible changes
- PNG support
- Browser-based
- Hide secret messages in ordinary-looking images.
- Create digital watermarks that are invisible to the eye.
- Learn about steganography and information hiding.